*{
   margin:0;
   padding: 0;
}
.warrpt{
    width: 100%;
    height: 100%;
    position: fixed;
    top:0;
    left: 0;
    background: no-repeat;
    background-image: url('saoleiimg/beijin.jpg');
    
    margin: 0 auto;
    
   
    
}

.btn{
    height: 140px;
    width:  170px;
    position: absolute;
    left: 50px;
    background-image: url("saoleiimg/starGame.png");
    background-size:100% 100%;
    cursor: pointer;
}
.box{
    height: 500px;
    width: 500px;
    transform:perspective(800px) rotateX(45deg);
    margin:20px auto;
    
    border: 1px solid #000;
    box-shadow:5px 5px 5px rgba(0,0,0,0.3);
    display: none;
   
}
.lastboom{
    position: absolute;
    top:50px;
    left:50%;
    width: 200px;
    height: 50px;
    margin-left: -100px;
    color:#333;
    font: size 20;

    font-weight:bolder;
    display: none;
}   
.alertBox{
    display: none;
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top:0;
    background-color:rgba(0,0,0,0.2);
}
.alertImg{
    background-image: url('saoleiimg/win.jpg');
    background-size:100% 100%;
    position: absolute;
    left: 0;
    top:0;
    right: 0;
    bottom: 0;
    margin:auto;
    border-radius: 20px;
    width:600px;
    height: 400px;
}
.close{
    position: absolute;
    right: 0;
    top:0;
    height: 40px;
    width: 40px;
    background-image: url('saoleiimg/x.jpg');
    background-size:100% 100%;
    cursor: pointer;

}
.block{
    width: 49px;
    height: 49px;
    border-right:1px solid #000 ;
    border-bottom:1px solid #000;
    box-shadow: 0 0 4px #333 inset;
    background-color: cyan;
    float: left;
}
.show{
    background-image: url('saoleiimg/boom.jpg');
    background-size:100% 100%;
}
.num{
    background: #ecd0a1;
    font-size: 18px;
    font-weight: bold;
    line-height:49px;
    text-align: center;
}
.flag{
    background-image: url('saoleiimg/red.jpg');
    background-size: 100% 100%;
}